Video bitrate and file size calculator

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What do you want to calculate?
Video duration
Target file size
Quick pick:
Card / drive capacity

Enter the capacity printed on the card. Usable space after formatting is a few percent lower.

Video bitrate
Mbps
Audio bitrate
Look up a reference bitrate

    FFmpeg command for this result (H.264, two-pass)

    For when you don't have an editor at hand or want to re-compress a file. Replace input.mov with your file name. On Windows, use NUL instead of /dev/null in the first line.